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Applying a Mode Selector to Improve the Pulse-Compression Performance of Asymmetric-Coupled-Waveguide-Based Dispersion Compensators

  • PHOTONICS AND OPTOELECTRONICS
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Abstract

An InGaAsP slab-type asymmetric-coupled-waveguide-based dispersion compensator with a mode selector has been designed and fabricated. The mode selector is necessary to select either a symmetric [with a positive group-velocity dispersion (GVD)] or antisymmetric (with a negative GVD) supermode. These supermodes exist simultaneously in the dispersion-compensation region of the device. Pulse-compression experiments were used to test the dispersion compensator, evaluating the function of the mode selector. A theoretical study of the experimental results shows that the mode selector obtains a very strong selectivity (nearly 100%) for the antisymmetric supermode.

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Authors and Affiliations

  1. Central Research Laboratory, Hitachi, Ltd., 1-280 Higashi-Koigakubo, Kokubunji, Tokyo, 185-8601, Japan

    Hiroyuki Uchiyama, Shinya Kominami & Tomoyoshi Mishima

  2. Advanced Research Laboratory, Hitachi, Ltd., 1-280 Higashi-Koigakubo, Kokubunji, Tokyo, 185-8601, Japan

    Yong Lee, Kazuhiko Hosomi & Toshio Katsuyama

Authors
  1. Yong Lee
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  2. Kazuhiko Hosomi
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  3. Hiroyuki Uchiyama
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  4. Toshio Katsuyama
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  5. Shinya Kominami
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  6. Tomoyoshi Mishima
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Lee, Y., Hosomi, K., Uchiyama, H. et al. Applying a Mode Selector to Improve the Pulse-Compression Performance of Asymmetric-Coupled-Waveguide-Based Dispersion Compensators. OPT REV 10, 38–42 (2003). https://doi.org/10.1007/s10043-003-0038-3

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  • DOI: https://doi.org/10.1007/s10043-003-0038-3

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